diff --git a/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala b/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala
index 95c9731a0679..c491f15055fa 100644
--- a/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala
+++ b/compiler/src/dotty/tools/dotc/core/tasty/TreeUnpickler.scala
@@ -813,7 +813,7 @@ class TreeUnpickler(reader: TastyReader,
             if (sym.isTerm && !sym.isOneOf(DeferredOrLazyOrMethod))
               initsFlags = EmptyFlags
             else if (sym.isClass ||
-              sym.is(Method, butNot = Deferred) && !sym.isConstructor)
+              sym.isOneOf(Method | Lazy, butNot = Deferred) && !sym.isConstructor)
               initsFlags &= NoInits
           case IMPORT | EXPORT =>
             skipTree()
diff --git a/tests/run/i23863-a/BaseTest_1.scala b/tests/run/i23863-a/BaseTest_1.scala
new file mode 100644
index 000000000000..4a23904cb4eb
--- /dev/null
+++ b/tests/run/i23863-a/BaseTest_1.scala
@@ -0,0 +1,13 @@
+abstract class BaseTest {
+  def genName(): String = "outerAccess"
+  trait Fixture {
+    lazy val service: Service = new Service {
+      val a = genName()
+      def doIt(a: String): Int = 0
+    }
+  }
+}
+
+trait Service {
+  def doIt(a: String): Int
+}
diff --git a/tests/run/i23863-a/Test_2.scala b/tests/run/i23863-a/Test_2.scala
new file mode 100644
index 000000000000..9169e6668433
--- /dev/null
+++ b/tests/run/i23863-a/Test_2.scala
@@ -0,0 +1,4 @@
+object Test extends BaseTest {
+  def main(args: Array[String]): Unit =
+    new Fixture { service.doIt("test") }
+}
diff --git a/tests/run/i23863-b/NestedObject_1.scala b/tests/run/i23863-b/NestedObject_1.scala
new file mode 100644
index 000000000000..c792f59894a6
--- /dev/null
+++ b/tests/run/i23863-b/NestedObject_1.scala
@@ -0,0 +1,3 @@
+trait NestedObject {
+  case class A()
+}
diff --git a/tests/run/i23863-b/Test_2.scala b/tests/run/i23863-b/Test_2.scala
new file mode 100644
index 000000000000..99e6b8851200
--- /dev/null
+++ b/tests/run/i23863-b/Test_2.scala
@@ -0,0 +1,3 @@
+object Test extends NestedObject {
+  def main(args: Array[String]): Unit = ()
+}